Bigfoot Or Another Robsten Smooch Sighting?

They're at it again!
Just a couple of days after Robert Pattinson and Kristen Stewart were caught locking lips on the Montreal set of K-Stew's new flick On The Road, yet more photos have emerged of the PDA pair.
You can see the full set by CLICKING OVER to our friends at Celebuzz.
While the shots are a little grainy, there is definitely no mistaking the two Twilight lovebirds. Seriously, though — at this point, seeing them affectionate out in public is rarer than spotting a mythical creature!